var mysql = require('mysql');
var connection = mysql.createConnection({
  host     : 'localhost',
  user     : 'root',
  password : '111',
  database : 'juzao'
});
 
connection.connect();
module.exports = (sql) =>{
    return new Promise(next =>{

      connection.query(sql, function (error, results, fields) {
        if (error) throw error;
        // console.log('The solution is: ', results[0].solution);
        next(results)
      });
      // connection.end();

    })

  
}